Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles of sub-sampling in the field
5 Apparatus
6 Sample preparation
   6.1 Preparation for granular materials
   6.2 Preparation for liquids, sludges and paste like
        substances
7 Preparing a mixed sample
   7.1 Mixing granular materials
   7.2 Mixing of liquid and sludges
   7.3 Mixing of paste like materials
8 Generic sub-sampling of mobile and viscous liquids
   8.1 General
   8.2 Single sample method
   8.3 Multiple sample method
9 Generic sub-sampling of liquid and solids rendered mobile
   by heat
   9.1 General
   9.2 Single sample method
   9.3 Multiple sample method
10 Generic sub-sampling of sludges
   10.1 Liquids
   10.2 Cakes
   10.3 Gelatinous sludges
11 Generic sub-sampling of paste like substances
   11.1 General
   11.2 Single sample method
   11.3 Multiple sample method
12 Generic sub-sampling of powders, granules and small crystals
   12.1 General
   12.2 Aggregate reduction
   12.3 Manual and mechanical sub-sampling procedures
13 Sub-sampling coarse solids and large pieces
14 Incorporation in the Sampling Plan
15 Undertake field sub-sampling procedures
Annex A Examples of equipment for sub-sampling
   A.1 Riffle box
   A.2 Rotary sample divider
   A.3 Tyler divider
   A.4 Sheet metal cross
Bibliography